Gilman, Colorado
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61) Shaft house
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An unknown miner oils the main cage mechanism in the shaft house. A grease gun can be seen on the floor in the right center of the picture.
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Frank Jones using a lathe for cutting centers on a shaft used by the Milling Department. "Jonesey" was known for his sense of humor and always seemed ready to share a joke.
63) Cyanide mixing
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Cyanide mixing machine in the mine at Gilman. Cyanide was shipped to the mine in 50 gallon drums and required the use of rubber gloves in handling.
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The cyanide injecting machine inside the mill at Gilman. Cyanide was used to clean the ore for processing. A pressure gauge is seen at the top of the injectors.
65) Tamping dynamite
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Tamping in dynamite prior to blasting a section at Gilman. Holes that have been prepared are shown with electrical connections to the blasting caps and the dynamite. Joe Fear prepared the blasting caps on the surface. Bottom series of holes were detonated first to keep the miners from having to work so much loose debris - a true demonstration of the principle of gravity.
66) Timber truck
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John Mignone (left) and Jesse Belt examining a reconditioned timber truck at the Gilman mine.
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O.A. McClain, left, watches as Jessie Belt shears bar steel for timber truck reinforcements. The extra stock of bar steel is in the backgound.
68) O. A. McClain
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O.A. McClain standing near equipment manufactured in Chicago and New York for the Gilman Mine.
69) Rebuilt mine car
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O.A. McClain and Roy Long standing beside a completely rebuilt mine car at the Gilman Mine. An "eye" is seen with chains attached at the bottom of the cart. The eye was used to hook the mine cars together in a series of small trains for hauling ore.
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Flotation area for the zinc ore. Water valves are shown at the bottom of the table.
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Lee Ferris lubricating a bearing on the main cage at the Gilman Mine.
The safety manager was a very important part of the mining team. Safety was stressed constantly through regular meetings and signs placed throughout the mine.
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Ed Koch welding a repair on a "yellow car", a rocker dump car, which dumped ore to the side. The frame and wheels can be seen in the lower front foreground.
74) Flotation area
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Floation area for the zinc ore at Gilman. Flotation tables were used to seperate the zinc and lead from the waste in the mining process. Further processing separated the lead and the zinc.
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Bob Radabaugh, mine geologist, at the Gilman Mine. The geologists determined areas of optimum ore yield through various methods of inquiry. Bob is shown with one of the low tech methods, the rock hammer, checking the rock formation.
76) Drilling
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Drilling prior to adding dynamite to blast a section for mining at Gilman. Protective clothing was worn to keep the driller from being injured by debris, but we see no eye safety wear.
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Flotation stations in the zinc section of the mill at Gilman. The flotation stations were part of the process of refining the zinc ore.
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H. Lee Ferris is shown oiling, checking and adjusting landing chairs at #1 shaft. These landing chairs are safety devices that fall into a blocking postion under the floor of the cage when it reaches the top of the shaft. These devices are on the sides of the shaft and prevent the cage from descending into the shaft until such time as the landing chairs are released manually. Mr. Ferris is standing in the cage which has been lowered to a point...
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The main shaft at the Gilman Mine with Mayo Lanning, mine chief, inspecting.
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John F. Mignone, Jr., and Clyde Spurr installing a motor in an Eimco Finlay Loader. The loader will be repaired, cleaned and returned to the mine in first class operating condition, with the least possible loss of time from service.
